From 245c0f0c2741d1dcb706faa93ff681333a40b9c8 Mon Sep 17 00:00:00 2001
From: kumavis <aaron@kumavis.me>
Date: Wed, 13 Sep 2017 15:17:26 -0700
Subject: metamask controller - move middleware into seperate files

---
 app/scripts/lib/createLoggerMiddleware.js   | 15 +++++++++++++++
 app/scripts/lib/createOriginMiddleware.js   |  9 +++++++++
 app/scripts/lib/createProviderMiddleware.js | 13 +++++++++++++
 3 files changed, 37 insertions(+)
 create mode 100644 app/scripts/lib/createLoggerMiddleware.js
 create mode 100644 app/scripts/lib/createOriginMiddleware.js
 create mode 100644 app/scripts/lib/createProviderMiddleware.js

(limited to 'app/scripts/lib')

diff --git a/app/scripts/lib/createLoggerMiddleware.js b/app/scripts/lib/createLoggerMiddleware.js
new file mode 100644
index 000000000..b92a965de
--- /dev/null
+++ b/app/scripts/lib/createLoggerMiddleware.js
@@ -0,0 +1,15 @@
+// log rpc activity
+module.exports = createLoggerMiddleware
+
+function createLoggerMiddleware({ origin }) {
+  return function loggerMiddleware (req, res, next, end) {
+    next((cb) => {
+      if (res.error) {
+        log.error('Error in RPC response:\n', res)
+      }
+      if (req.isMetamaskInternal) return
+      log.info(`RPC (${origin}):`, req, '->', res)
+      cb()
+    })
+  }
+}
\ No newline at end of file
diff --git a/app/scripts/lib/createOriginMiddleware.js b/app/scripts/lib/createOriginMiddleware.js
new file mode 100644
index 000000000..f21d79512
--- /dev/null
+++ b/app/scripts/lib/createOriginMiddleware.js
@@ -0,0 +1,9 @@
+// append dapp origin domain to request
+module.exports = createOriginMiddleware
+
+function createOriginMiddleware({ origin }) {
+  return function originMiddleware (req, res, next, end) {
+    req.origin = originDomain
+    next()
+  }
+}
\ No newline at end of file
diff --git a/app/scripts/lib/createProviderMiddleware.js b/app/scripts/lib/createProviderMiddleware.js
new file mode 100644
index 000000000..6dd192411
--- /dev/null
+++ b/app/scripts/lib/createProviderMiddleware.js
@@ -0,0 +1,13 @@
+
+module.exports = createProviderMiddleware
+
+// forward requests to provider
+function createProviderMiddleware({ provider }) {
+  return (req, res, next, end) => {
+    provider.sendAsync(req, (err, _res) => {
+      if (err) return end(err)
+      res.result = _res.result
+      end()
+    })
+  }
+}
\ No newline at end of file
-- 
cgit